JAJSP39A May 2022 – December 2022 ADS1285
PRODUCTION DATA
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The WREG command is used to write register data. The command is two bytes followed by the designated number of register bytes to be written. The ADC auto-increments the address up to the number of registers specified in the command. The incrementing address does not wrap. The first byte of the command is the opcode added to the register starting address, and the second byte is the number of registers to write minus one.
First command byte: 0100 rrrr, where rrrr is the starting address of the first register.
Second command byte: 0000 nnnn, where nnnn is the number of registers to write minus one.
Data bytes: Depending on the number of registers specified.
Figure 8-27 shows an example of a three-register write operation starting at register address 01h.